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48 lines
1.2 KiB
48 lines
1.2 KiB
/* The <math.h> header contains prototypes for mathematical functions. */
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#ifndef _MATH_H
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#define _MATH_H
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#define HUGE_VAL 9.9e+307
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extern double acos(double x);
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extern double asin(double x);
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extern double atan(double x);
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extern double atan2(double y, double x);
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extern double ceil(double x);
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extern double cos(double x);
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extern double cosh(double x);
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extern double exp(double x);
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extern double fabs(double x);
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extern double floor(double x);
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extern double fmod(double x, double y);
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extern double frexp(double x, int *exp);
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extern double ldexp(double x, int exp);
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extern double log(double x);
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extern double log10(double x);
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extern double modf(double x, double *iptr);
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extern double pow(double x, double y);
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extern double sin(double x);
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extern double sinh(double x);
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extern double sqrt(double x);
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extern double tan(double x);
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extern double tanh(double x);
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extern int isinf (double);
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extern int isnan (double);
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extern double erf (double x);
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extern double erfc (double x);
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extern double j0 (double x);
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extern double j1 (double x);
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extern double jn (int n, double x);
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extern double lgamma (double x);
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extern double y0 (double x);
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extern double y1 (double x);
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extern double yn (int n, double x);
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#ifndef __LIBRARY__
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extern int signgam;
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#endif
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#endif /* _MATH_H */
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